Jyoti CNC Automation Applications Engineer Interview Questions and Answers for Experienced

Q1. Past experience
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Q2. Related questions
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Basic aptitude test that covers most aptitude topics.

GD round with general topics.

Q1. Technical round that covers basics of control valves.
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Q1. HR round consists of basic managerial questions.
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Simple Aptitude test

Around 10 people per group

Q1. Mostly Technical and from Resume
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Q1. More of "Fit for company" questions
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Q1. What is standard drill angle
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Q1. Technically about company like safety..
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Q2. What is 5s and devine
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5S is a methodology used to organize and maintain a clean and efficient workplace.
• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It involves organizing and labeling tools and materials, cleaning and maintaining equipment, and creating a culture of continuous improvement.

• Example: A factory implementing 5S might label all tools and materials, create a designated storage area for each item, and regularl...read more
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Q1. Which material marking cylinder
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Material marking cylinders are tools used for marking or engraving materials in various engineering applications.
• Used in manufacturing for marking parts with identification numbers.

• Commonly made from durable materials like steel or aluminum.

• Examples include engraving cylinders for metal parts or rubber stamps for softer materials.

• Can be used in automated systems for high-speed marking.
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Q2. Which type of material making for bolier
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Boilers are typically made from materials like steel, cast iron, and copper, chosen for their strength and heat resistance.
• Steel: Commonly used for its high strength and ability to withstand high pressures.

• Cast Iron: Known for excellent heat retention and durability, often used in residential boilers.

• Copper: Used in some boiler designs for its excellent thermal conductivity, though less common due to cost.
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Q1. What is difference between RTD and thermocouple used
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RTD measures temperature using resistance change, while thermocouple uses voltage change.
• RTD stands for Resistance Temperature Detector, while thermocouple generates voltage based on temperature difference.

• RTDs are more accurate and stable compared to thermocouples.

• RTDs have higher initial cost but lower long-term maintenance cost.

• Thermocouples are more rugged and can withstand higher temperatures than RTDs.

• Example: RT...read more
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Q2. What is the PLC and DCS system
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PLC and DCS systems are control systems used in industrial automation to monitor and control processes.
• PLC stands for Programmable Logic Controller, used for controlling machinery and processes in manufacturing.

• DCS stands for Distributed Control System, used for controlling complex processes across multiple locations.

• PLCs are typically used for discrete control applications, while DCS systems are used for continuous co...read more
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Q3. What is the AC And DC drive
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AC and DC drives are types of electrical drives used to control the speed and torque of electric motors.
• AC drive controls the speed of an AC motor by varying the frequency of the electrical supply.

• DC drive controls the speed of a DC motor by varying the voltage supplied to the motor.

• AC drives are more commonly used in industrial applications due to their efficiency and flexibility.

• DC drives are often used in applicatio...read more
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Q4. What do you understand by 4 wire and 2 wire
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4 wire and 2 wire are configurations used in electrical circuits for measuring resistance.
• 4 wire configuration is used for accurate resistance measurements by eliminating lead resistance

• 2 wire configuration is simpler but less accurate due to lead resistance affecting measurements

• Examples: 4 wire used in precision instruments like multimeters, 2 wire used in basic circuit testing
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